Monitor your heart health anytime, anywhere.

The Frontier X2 connects straight to your smartphone, allowing you to monitor your heart health and spot the signs of cardiac strain in real-time.

Introducing Mark Allen, a true legend of his sport whose achievements should forever be celebrated.

Our latest blog post explores Mark’s early days, his racing rivalries, and how he became known as the greatest of all time.

Read more: https://pulse.ly/hpimzuacth

The Fourth Frontier community is growing!

Join us on Strava to stay up-to-date with our latest blog posts, see our top tips for improving your heart health through fitness, and compete with other Frontier X users to stay on top of the leaderboard.

We’ll see you there! 🏃

https://www.strava.com/clubs/FourthFrontier

The Frontier X2 gives you the power to optimize your workouts and achieve your personal training goals by setting lower and upper limits for your heart rate, breathing rate and cardiac strain.

Exciting things are coming…

Here’s a behind-the-scenes look into our upcoming partnership with six-time Ironman Triathlon World Champion, Mark Allen.

Stay tuned!